| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-292-4989 (002924989) |
| NCB Code | USA (00) |
| Manufacturer | Meritor Heavy Vehicle Braking System, Available Truck Co, Axletech International Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.000 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.750 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.234 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.125 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 27.6 ROCKWELL C MINIMUM OVERALL AND 34.3 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 110000 POUNDS PER SQUARE INCH |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.594 INCHES NOMINAL FIRST HOLE |
| MATT | MATERIAL | STEEL COMP 3135 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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